a = [1,2,3,4,5,6,7]
a.append(8)
print(a)
#output:[1, 2, 3, 4, 5, 6, 7, 8]

a.extend([8,9,10])
print(a)
#output:[1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 10]

b = [1,2,3,4,5,6,7,8]
print(b+[8,9,10])
#output:[1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 10]

b.insert(0,0)
print(b)
#output:[0, 1, 2, 3, 4, 5, 6, 7, 8]